package com.sky.controller.user;

import com.sky.constant.StatusConstant;

import com.sky.entity.Dish;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;

@RestController("userDishController")
@RequestMapping("/user/dish")
@Slf4j

public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    RedisTemplate redisTemplate;

    /**
     * 根据分类id查询菜品
     *
     * @param categoryId
     * @return
     */
    @GetMapping("/list")

    public Result<List<DishVO>> list(Long categoryId) {

        //保存key
        String key = "dish_" + categoryId;

        //查询rides是否有缓存数据,如果存在则直接查询缓存
        List<DishVO> list = (List<DishVO>) redisTemplate.opsForValue().get(key);
        if(list!=null && !list.isEmpty()){
            log.info(list.toString());
            return Result.success(list);
        }


        //如果不存在则将数据库中的数据保存至redis
        Dish dish = new Dish();
        dish.setCategoryId(categoryId);
        dish.setStatus(StatusConstant.ENABLE);//查询起售中的菜品
        List<DishVO> list1 = dishService.listWithFlavor(dish);
        redisTemplate.opsForValue().set(key,list1);

        return Result.success(list1);
    }

}
